Name of the story is 'Lets Try Dueling'. The main character's sister, Addy, is kidnapped by a rival. She is shown unconscious, and then slowly waking up. The gang tries to gag her, but she puts up a fight.
Contributed by IeonScans
Magicalize is an ecchi manga about a magical girl who is very powerful, but often has her costume ripped away during battles. This is basically her weakness.
In the story below, a beautiful female police officer is investigating a perverted cult. This cult of men has kidnapped and drugged a girl.
Full manga title: Uchi no Musume ni Te o Dasu na! - Oyako Heroine Funtousu. It's a fun, sexy manga about a mother/daughter superheroine pair. The daughter is called "Eighth Wonder". The costumes they were are inspired by Wonder Woman and Supergirl. This is Japan though, and they love to throw in their own twists!
Full manga title is [Ichinose] Kasshoku Senshi wa Shiri de Naku (Heroine Pinch Vol. 7).
Two thugs take notice of a strong beautiful female fighter. She had just finished slaying a monster in a coliseum.
Instead of attacking her head on, the two thugs manage to trick her into sniffing a sleeping drug.
Nakagawa Hinata waits outside a hotel for Zen-Kun, a boy with whom she has a forbidden love with. While waiting, Hinata is approached by a guy pretending to do a survey. She is distracted and then chloroformed from behind. Hinata is carried into a waiting van, where her rival Sena looks on.
Yona and Lili are taken in by an old woman at an inn, who serves them tea. Yona starts to suspect it's a trap. Lili suddenly falls unconscious, and it turns out the tea was drugged. Before Yona can react, the old lady chloroforms her.